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160565 (1998 SW99)
Classification: Main-belt Asteroid          SPK-ID: 2160565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2595901975902684 3.7578e-08  
a 2.296108852718455 1.0429e-08 au
q 1.700061501952507 8.6353e-08 au
i 3.93715116431449 4.1644e-06 deg
node 312.822303897946 0.00010838 deg
peri 345.3327169255948 0.00010907 deg
M 128.2586461017929 1.532e-05 deg
tp 2458547.736626841989
(2019-Mar-05.23662684)
5.3185e-05 TDB
period 1270.829057461923
3.48
8.6579e-06
2.37e-08
d
yr
n .2832796416529738 1.9299e-09 deg/d
Q 2.892156203484403 1.3136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      8304 days (22.74 yr)  
   first obs. used      1997-03-09  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54742  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:24:01  

Additional Information
 Earth MOID = .684694 au 
 Jupiter MOID = 2.33866 au 
 T_jup = 3.546 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO502932  

160565 (1998 SW99)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1998 SW99 = 2005 SA99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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